package com.platform.oss;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.request.UploadFileRequest;
import com.qcloud.cos.sign.Credentials;
import com.platform.utils.RRException;
import org.apache.commons.io.IOUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;

/**
 * 腾讯云存储
 *
 * @author lipengjun
 * @email 939961241@qq.com
 * @date 2017-03-26 20:51
 */
public class QcloudCloudStorageService extends CloudStorageService {
    private COSClient client;

    public QcloudCloudStorageService(CloudStorageConfig config) {
        this.config = config;

        //初始化
        init();
    }

    private void init() {
        Credentials credentials = new Credentials(config.getQcloudAppId(), config.getQcloudSecretId(),
                config.getQcloudSecretKey());

        //初始化客户端配置
        ClientConfig clientConfig = new ClientConfig();
        //设置bucket所在的区域，华南：gz 华北：tj 华东：sh
        clientConfig.setRegion(config.getQcloudRegion());

        client = new COSClient(clientConfig, credentials);
    }

    @Override
    public String upload(MultipartFile file) throws Exception {
        String fileName = file.getOriginalFilename();
        String prefix = fileName.substring(fileName.lastIndexOf(".") + 1);
        return upload(file.getBytes(), getPath(config.getAliyunPrefix()) + "." + prefix);
    }

    @Override
    public String upload(byte[] data, String path) {
        //腾讯云必需要以"/"开头
        if (!path.startsWith("/")) {
            path = "/" + path;
        }

        //上传到腾讯云
        UploadFileRequest request = new UploadFileRequest(config.getQcloudBucketName(), path, data);
        String response = client.uploadFile(request);

        JSONObject jsonObject = JSON.parseObject(response);
        if (jsonObject.getIntValue("code") != 0) {
            throw new RRException("文件上传失败，" + jsonObject.getString("message"));
        }

        return config.getQcloudDomain() + path;
    }

    @Override
    public String upload(InputStream inputStream, String path) {
        try {
            byte[] data = IOUtils.toByteArray(inputStream);
            return this.upload(data, path);
        } catch (IOException e) {
            throw new RRException("上传文件失败", e);
        }
    }
}
